package lab02.test16;

/**
 * Created by AIR on 2017/10/25.
 */
public abstract class Operator {
    //加法
    double  getJia(double a,double b) {
        return a + b;
    }
    //减法
    double getJian(double a,double b){
        return a-b;

    }
    //乘法
    double getCheng(double a,double b){
        return a-b;
    }
    //除法
    double getChu(double a,double b){
        return a/b;
    }
}
